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15040434131 = 113589722571
BaseRepresentation
bin11100000000111101…
…01100111111010011
31102211012020012212222
432000132230333103
5221300322343011
610524240411255
71041500403122
oct160036547723
942735205788
1015040434131
116418a29858
122ab9016b2b
131559035388
14a2974bab9
155d064eddb
hex3807acfd3

15040434131 has 8 divisors (see below), whose sum is σ = 15176780784. Its totient is φ = 14904144640.

The previous prime is 15040434121. The next prime is 15040434151. The reversal of 15040434131 is 13143404051.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15040434131 - 226 = 14973325267 is a prime.

It is a super-2 number, since 2×150404341312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15040434131.

It is not an unprimeable number, because it can be changed into a prime (15040434121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 655076 + ... + 677646.

It is an arithmetic number, because the mean of its divisors is an integer number (1897097598).

Almost surely, 215040434131 is an apocalyptic number.

15040434131 is a deficient number, since it is larger than the sum of its proper divisors (136346653).

15040434131 is a wasteful number, since it uses less digits than its factorization.

15040434131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28581.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 15040434131 its reverse (13143404051), we get a palindrome (28183838182).

The spelling of 15040434131 in words is "fifteen billion, forty million, four hundred thirty-four thousand, one hundred thirty-one".

Divisors: 1 113 5897 22571 666361 2550523 133101187 15040434131